<?xml version="1.0" encoding="utf-8"?>
<!--
Taxonomy Definition Links linkbase based on XBRL standard Version 2.1.
Created by UBmatrix Taxonomy Designer 1.0.0.0 (2008-02-04 15:32).  
Contact www.ubmatrix.com
Copyright (c) 2002-2008 UBmatrix inc., All Rights Reserved
Produced on 2008-02-07 00:51:15
-->
<linkbase
  xmlns="http://www.xbrl.org/2003/linkbase"
  xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
  xmlns:xlink="http://www.w3.org/1999/xlink"
  xmlns:xbrldt="http://xbrl.org/2005/xbrldt"
  xsi:schemaLocation="
    http://www.xbrl.org/2003/linkbase 
      http://www.xbrl.org/2003/xbrl-linkbase-2003-12-31.xsd
    http://xbrl.org/2005/xbrldt  http://www.xbrl.org/2005/xbrldt-2005.xsd
    ">
  <roleRef xlink:type="simple"
    xlink:href="s-equal2.xsd#primaryItems1"
    roleURI="http://xbrl.org/formula/conformance/example/role/primaryItems1" />
  <arcroleRef xlink:type="simple"
    xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#all"
    arcroleURI="http://xbrl.org/int/dim/arcrole/all" />
  <roleRef xlink:type="simple"
    xlink:href="s-equal2.xsd#hypercubes"
    roleURI="http://xbrl.org/formula/conformance/example/role/hypercubes" />
  <arcroleRef xlink:type="simple"
    xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#domain-member"
    arcroleURI="http://xbrl.org/int/dim/arcrole/domain-member" />
  <roleRef xlink:type="simple"
    xlink:href="s-equal2.xsd#primaryItems2"
    roleURI="http://xbrl.org/formula/conformance/example/role/primaryItems2" />
  <roleRef xlink:type="simple"
    xlink:href="s-equal2.xsd#primaryItems3"
    roleURI="http://xbrl.org/formula/conformance/example/role/primaryItems3" />
  <arcroleRef xlink:type="simple"
    xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#hypercube-dimension"
    arcroleURI="http://xbrl.org/int/dim/arcrole/hypercube-dimension" />
  <roleRef xlink:type="simple"
    xlink:href="s-equal2.xsd#domain1"
    roleURI="http://xbrl.org/formula/conformance/example/role/domain1" />
  <arcroleRef xlink:type="simple"
    xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#dimension-domain"
    arcroleURI="http://xbrl.org/int/dim/arcrole/dimension-domain" />
  <roleRef xlink:type="simple"
    xlink:href="s-equal2.xsd#members1"
    roleURI="http://xbrl.org/formula/conformance/example/role/members1" />
  <definitionLink xlink:type="extended"
    xlink:role="http://xbrl.org/formula/conformance/example/role/primaryItems1">
    <loc xlink:type="locator"
      xlink:label="t_P1"
      xlink:href="s-equal2.xsd#t_P1" />
    <loc xlink:type="locator"
      xlink:label="t_hc1"
      xlink:href="s-equal2.xsd#t_Hc1" />
    <definitionArc xlink:type="arc"
      xlink:arcrole="http://xbrl.org/int/dim/arcrole/all"
      xlink:from="t_P1" xlink:to="t_hc1"
      order="1"
      use="optional"
      xbrldt:targetRole="http://xbrl.org/formula/conformance/example/role/hypercubes"
      xbrldt:contextElement="segment" />
    <loc xlink:type="locator"
      xlink:label="t_P2"
      xlink:href="s-equal2.xsd#t_P2" />
    <definitionArc xlink:type="arc"
      xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member"
      xlink:from="t_P1" xlink:to="t_P2"
      order="2"
      use="optional"
      xbrldt:targetRole="http://xbrl.org/formula/conformance/example/role/primaryItems2" />
  </definitionLink>
  <definitionLink xlink:type="extended"
    xlink:role="http://xbrl.org/formula/conformance/example/role/primaryItems2">
    <loc xlink:type="locator"
      xlink:label="t_P2"
      xlink:href="s-equal2.xsd#t_P2" />
    <loc xlink:type="locator"
      xlink:label="t_P3"
      xlink:href="s-equal2.xsd#t_P3" />
    <definitionArc xlink:type="arc"
      xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member"
      xlink:from="t_P2" xlink:to="t_P3"
      order="1"
      use="optional"
      xbrldt:targetRole="http://xbrl.org/formula/conformance/example/role/primaryItems3" />
    <loc xlink:type="locator"
      xlink:label="t_hc1"
      xlink:href="s-equal2.xsd#t_Hc1" />
    <definitionArc xlink:type="arc"
      xlink:arcrole="http://xbrl.org/int/dim/arcrole/all"
      xlink:from="t_P2" xlink:to="t_hc1"
      order="2"
      use="optional"
      xbrldt:contextElement="segment" />
    <loc xlink:type="locator"
      xlink:label="t_typeDim1"
      xlink:href="s-equal2.xsd#t_TypeDim1" />
    <definitionArc xlink:type="arc"
      xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension"
      xlink:from="t_hc1" xlink:to="t_typeDim1"
      order="1"
      use="optional" />
  </definitionLink>
  <definitionLink xlink:type="extended"
    xlink:role="http://xbrl.org/formula/conformance/example/role/hypercubes">
    <loc xlink:type="locator"
      xlink:label="t_hc1"
      xlink:href="s-equal2.xsd#t_Hc1" />
    <loc xlink:type="locator"
      xlink:label="t_explDim1"
      xlink:href="s-equal2.xsd#t_ExplDim1" />
    <definitionArc xlink:type="arc"
      xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension"
      xlink:from="t_hc1" xlink:to="t_explDim1"
      order="1"
      use="optional"
      xbrldt:targetRole="http://xbrl.org/formula/conformance/example/role/domain1" />
    <loc xlink:type="locator"
      xlink:label="t_typeDim1"
      xlink:href="s-equal2.xsd#t_TypeDim1" />
    <definitionArc xlink:type="arc"
      xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension"
      xlink:from="t_hc1" xlink:to="t_typeDim1"
      order="2"
      use="optional" />
  </definitionLink>
  <definitionLink xlink:type="extended"
    xlink:role="http://xbrl.org/formula/conformance/example/role/domain1">
    <loc xlink:type="locator"
      xlink:label="t_explDim1"
      xlink:href="s-equal2.xsd#t_ExplDim1" />
    <loc xlink:type="locator"
      xlink:label="t_domain1"
      xlink:href="s-equal2.xsd#t_Domain1" />
    <definitionArc xlink:type="arc"
      xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain"
      xlink:from="t_explDim1" xlink:to="t_domain1"
      order="1"
      use="optional"
      xbrldt:targetRole="http://xbrl.org/formula/conformance/example/role/members1" />
  </definitionLink>
  <definitionLink xlink:type="extended"
    xlink:role="http://xbrl.org/formula/conformance/example/role/members1">
    <loc xlink:type="locator"
      xlink:label="t_domain1"
      xlink:href="s-equal2.xsd#t_Domain1" />
    <loc xlink:type="locator"
      xlink:label="t_member1"
      xlink:href="s-equal2.xsd#t_Member1" />
    <definitionArc xlink:type="arc"
      xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member"
      xlink:from="t_domain1" xlink:to="t_member1"
      order="1"
      use="optional" />
    <loc xlink:type="locator"
      xlink:label="t_member2"
      xlink:href="s-equal2.xsd#t_Member2" />
    <definitionArc xlink:type="arc"
      xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member"
      xlink:from="t_domain1" xlink:to="t_member2"
      order="2"
      use="optional" />
  </definitionLink>
  <definitionLink xlink:type="extended"
    xlink:role="http://xbrl.org/formula/conformance/example/role/primaryItems3">
    <loc xlink:type="locator"
      xlink:label="t_P3"
      xlink:href="s-equal2.xsd#t_P3" />
    <loc xlink:type="locator"
      xlink:label="t_hc1"
      xlink:href="s-equal2.xsd#t_Hc1" />
    <definitionArc xlink:type="arc"
      xlink:arcrole="http://xbrl.org/int/dim/arcrole/all"
      xlink:from="t_P3" xlink:to="t_hc1"
      order="1"
      use="optional"
      xbrldt:contextElement="segment" />
    <loc xlink:type="locator"
      xlink:label="t_explDim1"
      xlink:href="s-equal2.xsd#t_ExplDim1" />
    <definitionArc xlink:type="arc"
      xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension"
      xlink:from="t_hc1" xlink:to="t_explDim1"
      order="1"
      use="optional"
      xbrldt:targetRole="http://xbrl.org/formula/conformance/example/role/domain1" />
  </definitionLink>
</linkbase>